Welding Quick Change Bars WS39 for Casing Shoes
We offer round shank cutter bits with shank diameters ranging from 19mm to 38/30 mm.
You can rely on a complete product line from a single source for everything from round shank bits, welding bars, quick change bars and holders, to stop wedges and screw connections.


Name | Replaceable Block WS39 |
Brand Name | RUILISTER |
Quality | frist class |
Delivery Time | Based on order quantity, normally it takes 15-30 days for production. Only 2 or 3 days if we have stock on your request size. |
MOQ | 50 pcs for trial order |
Payment | L/C,T/T, Paypal |
Packing | standard export packing, plastic bucket or box, Plywood case |
HS CODE | 82071990 |
MATERIAL | HARDNESS | |
Tungsten Carbide Tip | WC-Co (YG11-YG7) | >85HRA |
Body | 42CrMo | 48~53HRC |
• cutting geometry unaffected after block replacement
• inner and outer overcut through tilting of blocks
• good material flow around block • high durability due to wear-resistant 42CrMo Alloy steel
• high durability of holders due to internal guide
• on-site serviceability (simple block replacement without tools)
• special geometry for good cutting capability during tool extraction

The welding bars are mounted at the outer edges of the cutting wheels to ensure the necessary over-cut. We need to selecting the correct welding bars during the piling and drilling.
The welding bar are mostly using for excavating clay, boulder, sand, weathered rock, hard rock and concrete.
Q: Are you trading company or manufacturer ?
A: Yanggu Ruilister Engineering Machinery Co., Ltd. is a high-tech company integrating R&D, production and trade.Q: Do you accept sample order?
A: Of course, please contact us for details.
Q: Can you do OEM?
A: Yes, we can.
Q: How do you control the products quality?
A: Each product will be inspected in strict procedure before delivery.
Q: How about your after-sales service?
A: We can offer technology support to slove all problems. If quality problem, goods can be return or replaceable.
Q: What is your delivery time?
A: Based on order quantity, normally it takes 15-30 days for production. Only 2 or 3 days if we have stock on your request size.
Q: What is your payment terms?
A: Usually 30% deposit in advance by TT, the balance paid against delivery; Western Union, Paypal, L/C at sight is also ok
Give us your model/quantity, and your other requirement.
Contact: Cathy Cui via sending inquiry on the below. Thanks.